🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`calstack.com`

DNSSEC	⚠️ Not signed
NS	`ns-cloud-c1.googledomains.com` ⭐
		A	2001:4860:4802:32::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c1.googledomains.com`
		A	216.239.32.108^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-c1.googledomains.com`
NS	`ns-cloud-c2.googledomains.com`
		A	2001:4860:4802:34::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c2.googledomains.com`
		A	216.239.34.108^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-c2.googledomains.com`
NS	`ns-cloud-c3.googledomains.com`
		A	2001:4860:4802:36::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c3.googledomains.com`
		A	216.239.36.108^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-c3.googledomains.com`
NS	`ns-cloud-c4.googledomains.com`
		A	2001:4860:4802:38::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c4.googledomains.com`
		A	216.239.38.108^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-c4.googledomains.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	2607:f8b0:4004:c07::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f27.1e100.net`
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
		A	172.253.62.26^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f26.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
SOA	`ns-cloud-c1.googledomains.com`cloud-dns-hostmaster@google.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1787741690

Same first word

calstack.com

Similar names

taskcalc.com

taskcalc.net

lackcast.cv

slackcat.chat

sakalctc.com

stackcal.ai

Previous names

Next names

DNS History

11 records (5 active, 6 former)

●NSns-cloud-c1.googledomains.com2026-07-13 → 2026-08-26 · 3 obs

○ 2015-11-22 18:33:40
● 2026-07-13 14:02:44
● 2026-08-26 11:08:20

●NSns-cloud-c2.googledomains.com2026-07-13 → 2026-08-26 · 3 obs

○ 2015-11-22 18:33:40
● 2026-07-13 14:02:44
● 2026-08-26 11:08:20

●NSns-cloud-c3.googledomains.com2026-07-13 → 2026-08-26 · 3 obs

○ 2015-11-22 18:33:40
● 2026-07-13 14:02:44
● 2026-08-26 11:08:20

●NSns-cloud-c4.googledomains.com2026-07-13 → 2026-08-26 · 3 obs

○ 2015-11-22 18:33:40
● 2026-07-13 14:02:44
● 2026-08-26 11:08:20

○NSns31.domaincontrol.com2008-03-14 → 2015-07-21 · 4 obs

● 2008-03-14 06:46:24
● 2015-07-21 23:25:42
○ 2015-11-22 18:33:40
○ 2026-08-26 11:08:20

○NSns32.domaincontrol.com2008-03-14 → 2015-07-21 · 4 obs

● 2008-03-14 06:46:24
● 2015-07-21 23:25:42
○ 2015-11-22 18:33:40
○ 2026-08-26 11:08:20

○MXmailstore1.secureserver.net2008-03-14 → 2015-07-21 · 4 obs

● 2008-03-14 06:46:24
● 2015-07-21 23:25:42
○ 2015-11-22 18:33:40
○ 2026-08-26 11:08:20

●MXsmtp.google.com2026-07-13 → 2026-08-26 · 3 obs

○ 2015-11-22 18:33:40
● 2026-07-13 14:02:44
● 2026-08-26 11:08:20

○MXsmtp.secureserver.net2008-03-14 → 2015-07-21 · 4 obs

● 2008-03-14 06:46:24
● 2015-07-21 23:25:42
○ 2015-11-22 18:33:40
○ 2026-08-26 11:08:20

○A50.63.202.522015-07-21 → 2015-07-21 · 4 obs

○ 2008-03-14 06:46:24
● 2015-07-21 23:25:42
○ 2015-11-22 18:33:40
○ 2026-08-26 11:08:20

○A68.178.232.1002008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 06:46:24
○ 2015-07-21 23:25:42
○ 2026-08-26 11:08:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net...	-
calstack.com	ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.32.108

NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calstack.com (unsigned zone)

⏱️ Timing

Total: 493ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-cloud-c4.googledomains.com, ns-cloud-c1.googledomains.com...`
MX	1	`smtp.google.com (pri: 1)`
SOA	1	`ns-cloud-c1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-c1.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com...)

Analysis

Name Servers

calstack.com has four authoritative name servers: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.

calstack.com shares at least some of its name servers with other domains, including theorioles.net, langindustries.com, terrenogroup.com and two others.

The host names ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com each resolve to two IP addresses: ns-cloud-c1.googledomains.com resolves to 216.239.32.108 and 2001:4860:4802:32::6c; ns-cloud-c2.googledomains.com resolves to 216.239.34.108 and 2001:4860:4802:34::6c; ns-cloud-c3.googledomains.com resolves to 216.239.36.108 and 2001:4860:4802:36::6c; ns-cloud-c4.googledomains.com resolves to 216.239.38.108 and 2001:4860:4802:38::6c.

Mail Servers

calstack.com has one mail server: smtp.google.com.

calstack.com shares the same mail server setup as other domains, including sydshq.com, ultramarinoslagloriuca.com, streamlineaccountingsolutions.com and two others.

calstack.com shares mail servers — at least in part — with other domains, including tandek.al, claraunsecured.com, totalhvacsystem.com and two others.

These mail servers frequently appear alongside the mail servers alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

smtp.google.com points to 9 IP numbers: 142.251.163.27, 142.251.167.26, 142.251.167.27 and 6 other.

calstack.com - robtex.com

calstack.com

com

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

Mail Servers

`calstack.com`

`com`